Answered: The starting point of 31 successful…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The starting point of 31 successful team drives was recorded in an interval format below. Use these frequencies for ALL parts of this problem.

Yard Interval	Frequency
5-9	2
10-14	5
15-19	12
20-24	7
25-29	1
30-34	4

a. What is the grouped sample MEAN for successful drives?

b. Enter the LOWER BOUND for the interval containing the MEDIAN AND MODE

c. What is the relative frequency of successful drives in the 10-15 interval?

d. Using relative frequencies, what is the probability of starting a successful drive BELOW 15 yards?

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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